A Delta Boeing 737-900 returned to Boston following a technical issue in flight.
The flight DL1439 departed Boston on Sunday, April 6 2025 to Tampa, FL. The Boeing 737-900 (registration N811DZ) stopped the climb at 20,600 feet according to data.
The crew declared an emergency (squawk 700) and performed a U-turn, requiring an immediate return to the original airport.
According to The Aviation Herald, the pilots donned their oxygen masks and descended the aircraft to 12,000 feet advising they had lost cabin pressure.
The aircraft returned to Boston for a safe landing on runway 33L, 43 minutes after departure.
